Top Linux Jobs in San Diego, CA

Design and develop wireless power transfer and energy-harvesting hardware for IoT and wearable devices. Apply power electronics, RF and electromagnetic theory to create ICs and circuits, integrate solutions into scalable systems, optimize energy efficiency, and drive sustainable innovation for large sensor networks.

Administers and supports client network infrastructure, including LAN/WAN systems, Cisco networking, wireless access points, IP phones, security platforms, MFA, content filtering, and network monitoring. Troubleshoots communication issues, implements configuration changes and upgrades, maintains network documentation and performance reports, and provides Level 1 and 2 technical support. Collaborates with vendors and internal staff while managing server, workstation, virtualization, backup, and identity-related technologies.

Design and implement highly performant, low-latency, high-throughput backend services for a digital asset trading platform. Responsibilities include benchmarking and optimizing systems, contributing to technology and architecture decisions, and participating in production incident rotations. The role requires strong JVM and operating system knowledge, programming design principles, and backend development experience, with preferred experience in networking protocols, event-driven microservices, Kafka, Kubernetes, and AWS.

Develop and support customer integrations by designing workflows across the core product and external platforms such as QuickBooks, Salesforce, and NetSuite. Translate customer requirements into complete solutions, deliver projects on schedule, maintain project documentation, resolve technical challenges, communicate roadblocks, and mentor team members. The role requires API experience across multiple products, scripting expertise, strong communication, adaptability, and attention to detail.

Maintains and supports enterprise network infrastructure across multiple vendors and data center technologies. Responsibilities include network installations, configurations, upgrades, patching, monitoring, troubleshooting, incident response, performance tuning, root cause analysis, ticket management, documentation, and infrastructure drawing maintenance. The role also contributes to network architecture and supports customers, vendors, engineers, and executives while working a Tuesday-through-Saturday, 3 PM to midnight schedule.

Lead Helion’s semiconductor technology roadmap and multidisciplinary team. Direct power semiconductor device design, fabrication, packaging, reliability qualification, and production transfer. Establish development-scale fabrication and testing capabilities, manage external fabrication partnerships, and oversee multi-million-dollar R&D programs. Collaborate across engineering and science functions to optimize device performance, reliability, cost, schedule, and manufacturing scale for fusion power systems.

Design, build, and maintain backend services and RESTful APIs; own end-to-end feature delivery and production support; improve performance, reliability, CI/CD, and mentor junior engineers while collaborating cross-functionally.

Leads the engineering team responsible for designing and executing building automation systems. Oversees engineering processes, hiring, coaching, performance, system design, documentation, estimating, scheduling, panel builds, budgets, billing, and cross-functional relationships. The manager also supports sales, maintains BAS product expertise, attends project meetings and site walks, and enforces engineering standards and performance expectations.

Design, develop, test, and maintain backend services and APIs for secure fintech and crypto products. Collaborate with engineering and product teams on architecture, code reviews, system design, and deployment using Azure. Optimize backend performance and scalability, resolve defects, follow DevOps and CI/CD practices, and build reliable systems supporting payments, transfers, and other financial activity.

Develop and support software integrating with the Quantum Aviation system for aircraft engine repair operations. Responsibilities include maintaining production applications, fixing bugs and user process errors, improving data-entry accuracy and enterprise efficiency, developing new applications, and supporting Oracle database functions such as schema restores and accounting month-end activities.